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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_NETWORK_CONFIG_WATCHER_APPLE_H_
#define NET_BASE_NETWORK_CONFIG_WATCHER_APPLE_H_
#include <SystemConfiguration/SystemConfiguration.h>
#include <memory>
#include "base/apple/scoped_cftyperef.h"
#include "net/base/net_export.h"
namespace base {
class Thread;
}
namespace net {
// Helper class for watching the Mac OS system network settings.
class NET_EXPORT_PRIVATE NetworkConfigWatcherApple {
public:
// NOTE: The lifetime of Delegate is expected to exceed the lifetime of
// NetworkConfigWatcherApple.
class Delegate {
public:
virtual ~Delegate() = default;
// Called to let the delegate do any setup work the must be run on the
// notifier thread immediately after it starts.
virtual void Init() {}
// Called to start receiving notifications from the SCNetworkReachability
// API.
// Will be called on the notifier thread.
virtual void StartReachabilityNotifications() = 0;
// Called to register the notification keys on |store|.
// Implementors are expected to call SCDynamicStoreSetNotificationKeys().
// Will be called on the notifier thread.
virtual void SetDynamicStoreNotificationKeys(
base::apple::ScopedCFTypeRef<SCDynamicStoreRef> store) = 0;
// Called when one of the notification keys has changed.
// Will be called on the notifier thread.
virtual void OnNetworkConfigChange(CFArrayRef changed_keys) = 0;
// Called when `this` is being destructed.
// Will be called on the notifier thread.
virtual void CleanUpOnNotifierThread() = 0;
};
explicit NetworkConfigWatcherApple(Delegate* delegate);
NetworkConfigWatcherApple(const NetworkConfigWatcherApple&) = delete;
NetworkConfigWatcherApple& operator=(const NetworkConfigWatcherApple&) = delete;
~NetworkConfigWatcherApple();
base::Thread* GetNotifierThreadForTest();
private:
// The thread used to listen for notifications. This relays the notification
// to the registered observers without posting back to the thread the object
// was created on.
std::unique_ptr<base::Thread> notifier_thread_;
};
} // namespace net
#endif // NET_BASE_NETWORK_CONFIG_WATCHER_APPLE_H_
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